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Bikie's mate scared to reveal all to CCC

A witness to a vicious bikie gang brawl in Perth told a corruption hearing he was so scared for himself and his family he couldn't tell the truth about what he saw.

Mohammed Alamdar, of Mosman Park, is accused of giving false and misleading evidence to Western Australia's Corruption and Crime Commission (CCC) at secret hearings in 2010 and 2011, following the brawl at the Kwinana Motorplex.

The showdown between the Coffin Cheaters and the Finks at the motor racing venue in late 2010 left Finks members Stephen Wallace without three fingers, David Marrapodi with a gunshot wound and Troy Smith with serious head injuries.

At a trial in Perth Magistrates Court, video interviews of Alamdar at the CCC were shown in which he claimed his memory was impaired after being dropped on his head as a child. He consistently said he could not remember details of his association with the Coffin Cheaters.

He initially told the CCC he was not that close to the bikies, before admitting he had spent time in his native Iran with club member Paul Martino, who'd stayed in the home of his deaf, elderly mother while there.

But as the CCC interview progressed, Alamdar told then-commissioner Len Roberts-Smith he feared for his safety if he revealed what he had seen in Kwinana.

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"I do not want to get involved in these things, it is not my business. Why do you put me in this bad position?"

Through his evidence to the CCC, Alamdar revealed he had struck up friendships with two Coffin Cheaters, including Martino, while installing security windows and doors at their headquarters in Bayswater.

He was summonsed to appear before CCC hearings twice, after investigators established he was present at the Motorplex on the day of the brawl.

He was then charged with misleading the CCC after giving evidence to Mr Roberts-Smith that he had not spoken to Martino the day before the brawl, had not travelled with him to the Motorplex and had not witnessed the violence.

But phone intercepts revealed he had arranged to drive Martino to the event and even took advice from him as to what to wear on the day.

When directly questioned about whether it was his voice on the intercepted phone call, Alamdar said: "That's not me, buddy."

Mr Roberts-Smith warned Alamdar at the time his vague answers could be regarded as "constructive refusal" to answer, and that he could face criminal charges.

A guilty finding could result in a $100,000 fine or a five-year jail term or both.

Finks members and associates Smith, Stephen Laurence Silvestro, Clovis Chikonga and Tristan Roger Allbeury have already been jailed for two years on contempt charges relating to the CCC hearings.

Coffin Cheaters members Benjamin Ortin and David Reid were also called before a CCC hearing and refused to answer questions but avoided charges after the corruption watchdog dropped the case.